Richard Carlson of Bolingbrook, Ill., pulls a flatbed with this 2005 Peterbilt 379, hauling anything from bedding materials to steel. It’s equipped with an 18-speed transmission and a C15 twin-turbo Caterpillar. Leased to Mercer Transportation, he bought the truck new in 2005 and added sleeper panels, shaved the roof and applied custom 3-D flames on the fenders. Because other drivers have told him it looks like a toy truck, he dubbed it Hot Wheel.